Once considered Indira Gandhi's right-hand man, R.K. Dhawan, now a Rajya Sabha MP, is marginalised in the Congress party. The Nehru-Gandhi family loyalist is today apprehensive that like Indira and Rajiv faced betrayal from their own partymen, Sonia Gandhi too could be undermined by those posing as her well-wishers. Speaking to Outlook Saptahik's Vinod Agnihotri, Dhawan says Sonia must remain cautious of those close to her. Excerpts: